RNMC vs. GSG
RNMC (First Trust Mid Cap US Equity Select ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - RNMC is a Mid Cap Blend Equities fund tracking the Nasdaq Riskalyze Mid Cap US Equity Select Index, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. Both are passively managed. Over the past 5 years, RNMC returned 4.93%/yr vs 15.74%/yr for GSG. At a 0.23 correlation, their price movements are largely independent. RNMC charges 0.60%/yr vs 0.75%/yr for GSG.
Performance
RNMC vs. GSG - Performance Comparison
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Returns By Period
In the year-to-date period, RNMC achieves a -1.53% return, which is significantly lower than GSG's 42.58% return.
RNMC
- 1D
- -0.01%
- 1M
- -1.54%
- YTD
- -1.53%
- 6M
- -1.11%
- 1Y
- -1.10%
- 3Y*
- 9.79%
- 5Y*
- 4.93%
- 10Y*
- —
GSG
- 1D
- 0.77%
- 1M
- -4.83%
- YTD
- 42.58%
- 6M
- 41.06%
- 1Y
- 51.52%
- 3Y*
- 19.31%
- 5Y*
- 15.74%
- 10Y*
- 7.69%
RNMC vs. GSG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RNMC First Trust Mid Cap US Equity Select ETF | -1.53% | 1.77% | 14.98% | 16.81% | -9.11% | 26.08% | 5.71% | 28.00% | -12.85% | 10.74% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 42.58% | 5.93% | 8.52% | -5.51% | 24.08% | 38.77% | -23.94% | 15.62% | -13.88% | 23.24% |
Correlation
The correlation between RNMC and GSG is -0.20, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.20 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.03 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (All Time) Calculated using the full available price history since Jun 23, 2017 | 0.23 |
The correlation between RNMC and GSG shifts across timeframes, from -0.20 (1 year) to 0.23 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
RNMC vs. GSG — Risk / Return Rank
RNMC
GSG
RNMC vs. GSG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for First Trust Mid Cap US Equity Select ETF (RNMC) and iShares S&P GSCI Commodity-Indexed Trust (GSG). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| RNMC | GSG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.34 | ||
| Sortino ratioReturn per unit of downside risk | -2.91 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.40 | -0.41 |
| Calmar ratioReturn relative to maximum drawdown | -0.14 | 5.47 | -5.62 |
| Martin ratioReturn relative to average drawdown | -0.31 | 14.39 | -14.70 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| RNMC | GSG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.09 | 2.26 | -2.34 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.27 | 0.70 | -0.43 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.35 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.39 | -0.09 | +0.47 |
Drawdowns
RNMC vs. GSG - Drawdown Comparison
The maximum RNMC drawdown since its inception was -43.57%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for RNMC and GSG.
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Drawdown Indicators
| RNMC | GSG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.57% | -89.62% | +46.05% |
Max Drawdown (1Y)Largest decline over 1 year | -7.81% | -9.46% | +1.65% |
Max Drawdown (3Y)Largest decline over 3 years | -19.55% | -14.94% | -4.61% |
Max Drawdown (5Y)Largest decline over 5 years | -21.25% | -29.12% | +7.87% |
Max Drawdown (10Y)Largest decline over 10 years | — | -57.64% | — |
Current DrawdownCurrent decline from peak | -7.32% | -56.95% | +49.63% |
Average DrawdownAverage peak-to-trough decline | -5.99% | -63.71% | +57.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.60% | 3.59% | +0.01% |
Volatility
RNMC vs. GSG - Volatility Comparison
The current volatility for First Trust Mid Cap US Equity Select ETF (RNMC) is 3.07%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 7.65%. This indicates that RNMC experiences smaller price fluctuations and is considered to be less risky than GSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RNMC | GSG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.07% | 7.65% | -4.58% |
Volatility (6M)Calculated over the trailing 6-month period | 8.22% | 20.42% | -12.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.70% | 22.95% | -10.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.09% | 22.61% | -4.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.20% | 22.03% | -0.83% |
RNMC vs. GSG - Expense Ratio Comparison
RNMC has a 0.60% expense ratio, which is lower than GSG's 0.75% expense ratio.
Dividends
RNMC vs. GSG - Dividend Comparison
RNMC's dividend yield for the trailing twelve months is around 0.91%, while GSG has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
GSG iShares S&P GSCI Commodity-Indexed Trust | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RNMC First Trust Mid Cap US Equity Select ETF | 0.91% | 0.75% | 1.12% | 1.47% | 1.71% | 1.21% | 1.33% | 1.68% | 1.67% | 0.67% |
Frequently Asked Questions
RNMC and GSG have a correlation of -0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GSG has higher volatility (7.65%) compared to RNMC (3.07%). In terms of maximum drawdown, RNMC dropped -43.57% vs GSG's -89.62%.
On 5-year performance, GSG leads with 15.74% vs 4.93% for RNMC. On fees, RNMC is cheaper at 0.60% per year. On volatility, RNMC has been the lower-risk option at 3.07%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, GSG has performed better with a 15.74% return vs 4.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RNMC is cheaper with a 0.60% expense ratio, compared with 0.75% for GSG.
RNMC has the higher dividend yield at 0.91%, compared with 0.00% for GSG.
RNMC is categorized as Mid Cap Blend Equities, while GSG is Commodities. RNMC tracks Nasdaq Riskalyze Mid Cap US Equity Select Index, while GSG tracks S&P GSCI Total Return Index. They also come from different issuers: First Trust and iShares. Their fees differ too: 0.60% for RNMC and 0.75% for GSG.
GSG currently has the higher Sharpe Ratio (2.26 vs -0.09), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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